Respuesta :

MegH07
Ne because it it just a regular element (neon)

Answer:

NaCl, [tex]N_2, O_2[/tex]

Explanation:

In chemistry, a chemical compound is a substance composed of the combination of two or more elements of the periodic table.

Ne: is an element of  the periodic table.

[tex]N_2[/tex]: is a molecule

NaCl: is a molecule

[tex]O_2[/tex]: is a molecule